Ford Mustang (1999-2004) Service Manual: Transmission Description (Description and Operation)

The 4R70W has the following features:

  • Wide ratio gears
  • Four speeds
  • Rear wheel drive
  • Automatic
  • Electronic shift
  • Torque converter clutch control
  • Line pressure controls

The transmission uses Ravigneaux-style double-pinion gearset with two bands, one one-way roller clutch, one mechanical diode and four friction clutches to produce four forward gears and Reverse.

4R70W Automatic Transmission

4R70W Automatic Transmission

    Automatic Transaxle/Transmission
    General Specifications a - MERCON V is not interchangeable at this time with the current MERCON fluids. Check the transmission fluid level indicator to determine the correct fluid and refer to the ...

    Identification Tags
    All vehicles are equipped with a Vehicle Certification Label, located on the driver side door lock post. For correct transmission identification, refer to the code in the space marked TR. ...

    Other materials:

    Driveshaft (Removal and Installation)
    Material Item Specification Threadlock and Sealer E0AZ-19554-AA WSK-M2G351-A5 (type II) Removal and Installation 1. Raise and support the vehicle. 2. Carry out the following: 1. Place an index mark on the rear axle pinion flange and ...

    Manual Transmission and Clutch (Diagnosis and Testing)
    Inspection and Verification It is important to get an accurate description of the concern before any diagnosis can be carried out. Ask questions as to whether it occurs when hot or cold, during shifting, driving at a particular speed or in a parti ...

    Removal
    1. Remove the nuts and position the radio ignition interference capacitors aside. 2. Remove the valve covers. For additional information, refer to Valve Cover RH and Valve Cover LH in this section. 3. Remove the cooling fan. 4. Remove the accessory drive ...